You create an arc of lightning that strikes at one creature of your choice that you can see within range. The target must succeed at a Dexterity saving throw. If it fails this save it suffers 1d6 lightning damage and has disadvantage on the next saving throw it makes before the end of your next turn.

This spell’s damage increases by 1d6 when you reach 5th level (2d6), 11th level (3d6), and 17th level (4d6).